Enclose R←⊂Y

Y may be any array. R is a scalar array whose item is the array Y. If Y is a simple scalar, R is the simple scalar unchanged. Otherwise, R has a depth whose magnitude is one greater than the magnitude of the depth of Y.

Examples

      1
1

      'A'
A

      1 2 3
 1 2 3

      1,⊂'CAT'
 1  CAT

      2 4⍴⍳8
 1 2 3 4
 5 6 7 8

      ⊂⍳0

      ⊂⊂⍳0

      ⊂⊂10
10

See also: Enclose with Axes.